# Sierra Stone Quarry

- **MSHA mine ID:** 2602082
- **Status:** Intermittent
- **Type / commodity:** Surface / Construction Sand and Gravel
- **Location:** Storey, NV
- **Operator:** All-Lite Materials
- **Controller:** Gary  Bomberger; Gary  Archie Sr; Tom  Adams
- **Public source rows linked:** 2,335
- **Source coverage:** 15 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Gary  Bomberger; Gary  Archie Sr; Tom  Adams (0174661) → All-Lite Materials (0187253) → Sierra Stone Quarry (2602082)**

Current identity source: `msha-mines`. This is a current snapshot, not a historical claim.

## Controller and operator valid-time history

- **Norman L  Dianda  et al → All-Lite Aggregate:** 1988-09-01 through 1991-08-31; derived from co-tenure at mine 2602082; source `msha-controller-operator-history`.
- **Edwin  Pautler → Sierra Stone Company:** 1991-09-01 through 1999-11-01; derived from co-tenure at mine 2602082; source `msha-controller-operator-history`.
- **RMC Group PLC → All-Lite Aggregate:** 1999-11-02 through 2001-12-31; derived from co-tenure at mine 2602082; source `msha-controller-operator-history`.
- **RMC Group PLC → RMC Nevada, Inc.:** 2002-01-01 through 2005-12-31; derived from co-tenure at mine 2602082; source `msha-controller-operator-history`.
- **Cemex S A → CEMEX Construction Materials LP:** 2006-01-01 through 2008-07-31; derived from co-tenure at mine 2602082; source `msha-controller-operator-history`.
- **Cemex S A → CEMEX Construction Materials Pacific, LLC:** 2008-08-01 through 2023-02-21; derived from co-tenure at mine 2602082; source `msha-controller-operator-history`.
- **Tom  Adams et al → All-Lite Materials:** 2023-02-22 through current/open; derived from co-tenure at mine 2602082; source `msha-controller-operator-history`.
- **Gary  Archie Sr et al → All-Lite Materials:** 2023-02-22 through current/open; derived from co-tenure at mine 2602082; source `msha-controller-operator-history`.
- **Gary  Bomberger et al → All-Lite Materials:** 2023-02-22 through current/open; derived from co-tenure at mine 2602082; source `msha-controller-operator-history`.

- History rows: 9
- Typed edges: 23
- Interval anomalies: 0
- Valid-time bounds: inclusive; date granularity; null end means open-ended in the upstream history row; not independent proof of present control.
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 1 since 2021:** Accidents and injuries 36 historical accident/injury rows; 0 coded fatalities and 216 lost days across the published record.
2. **COMPLIANCE — 44 since 2021:** Violations and penalties 257 violation rows across the full record; 67 carry an S&S flag and $159,699 appears in current assessed amounts.
3. **HEALTH — 20 samples:** Occupational health samples 20 personal. 0 personal-sample rows have a published C/E ratio above 1; 0 noise rows have an action-level or PEL dose above 100%. These are separate measures, not a silica exceedance count. Silica results and sample status are shown separately.
4. **PRODUCTION — 0 tons:** Quarterly production and employment 7K employee hours and 11 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 71 linked rows:** Contests, conferences and decisions 19 contested-violation rows, 25 civil-penalty docket/decision rows, and 27 conference records linked by issuance number.
6. **CONTRACTORS — 9 linked entities:** Contractors Contractors are linked through this mine’s violation or accident records. Their production and hours cover all their operations, so they are not included in this mine’s totals.
7. **INSPECTIONS — 16 since 2021:** Inspections 76 inspection events and 1K published inspection hours across the historical record.

## EIA annual operating context

No matched record in the 2024 EIA coal-public workbook. This may be inapplicable for a non-coal operation.

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 50.30 — Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-I/part-50/subpart-D/section-50.30
- **30 CFR 56.23002 — Written safety program.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-T/section-56.23002
- **30 CFR 56.23003 — Requirements for written safety program.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-T/section-56.23003
- **30 CFR 46.3 — Training plans.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-46/section-46.3
- **30 CFR 41.12 — Changes; notification by operator.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-G/part-41/subpart-B/section-41.12
- **30 CFR 56.15005 — Safety belts and lines.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-N/section-56.15005
- **30 CFR 56.14107 — Moving machine parts.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **30 CFR 56.16001 — Stacking and storage of materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-O/section-56.16001

## Source coverage

- **Accident, Injuries, and Illnesses:** 36 rows; 2000-09-29 through 2022-01-05; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2023-10-02 through 2023-10-02; source ID `msha-addresses`
- **Assessed Violations:** 253 rows; 2000-03-21 through 2026-02-09; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 25 rows; 2003-04-10 through 2025-03-08; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 27 rows; 2001-04-30 through 2026-03-18; source ID `msha-conferences`
- **Contested Violations:** 19 rows; 2010-10-07 through 2024-09-10; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,109 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 247 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 9 rows; 1988-09-01 through 2023-02-22; source ID `msha-controller-operator-history`
- **Inspections:** 76 rows; 2000-03-21 through 2026-04-09; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 203 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 52 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Metal and Nonmetal Personal Health Samples:** 20 rows; 2002-10-22 through 2019-06-25; source ID `msha-personal-health-samples`
- **Violations:** 257 rows; 2000-03-21 through 2026-02-09; source ID `msha-violations`

## Caveats

- This is public-record decision support, not legal advice or an official MSHA record.
- Missing data can indicate no event, publication delay, an unresolved identity, or inapplicability.
- Contractor production data is entity-level and is not attributed to this mine.

## Alternate representations

- HTML: `/mines/sierra-stone-quarry-2602082`
- JSON: `/api/v1/mines/sierra-stone-quarry-2602082`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/2602082/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/2602082/relationships`
- MCP resource: `mine://2602082/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`